File: item-bound-entailment.rs

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rustc 1.85.0%2Bdfsg2-3
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//@ compile-flags: -Znext-solver
//@ check-pass

#![feature(const_trait_impl)]

#[const_trait] trait Foo {
    type Assoc<T>: ~const Bar
    where
        T: ~const Bar;
}

#[const_trait] trait Bar {}
struct N<T>(T);
impl<T> Bar for N<T> where T: Bar {}
struct C<T>(T);
impl<T> const Bar for C<T> where T: ~const Bar {}

impl Foo for u32 {
    type Assoc<T> = N<T>
    where
        T: Bar;
}

impl const Foo for i32 {
    type Assoc<T> = C<T>
    where
        T: ~const Bar;
}

fn main() {}